Fix stub path

Author: hkctkuy

casr/src/stub.rs

@@ -1,13 +1,20 @@
 use std::env;
+use std::path::PathBuf;
 use std::process::Command;
 
 pub fn stub(subcommand: &str) {
     // Get all command-line arguments
     let args: Vec<String> = env::args().collect();
+    let casr = &args[0];
     let args = &args[1..];
 
+    // Get casr path
+    let mut casr = PathBuf::from(casr);
+    casr.set_file_name("casr");
+    let casr = casr.to_string_lossy().into_owned();
+
     // Execute casr
-    let result = Command::new("casr").arg(subcommand).args(args).status();
+    let result = Command::new(casr).arg(subcommand).args(args).status();
 
     // Handle execution result
     match result {